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Paper   IPM / Nano-Sciences / 12427
School of Nano Science
  Title:   Numerical study of localization length in disordered graphene nanoribbons
  Author(s): 
1 . Ali Asghar Shokri
2 . F. Khoeini
  Status:   Published
  Journal: Superlattices and Microstructures
  No.:  6
  Vol.:  51
  Year:  2012
  Pages:   7
  Publisher(s):   Elsevier Ltd.
  Supported by:  IPM
  Abstract:
In this work, we study quantum transport properties of a defective graphene nanoribbon (DGNR) attached to two semi-infinite metallic armchair graphene nanoribbon (AGNR) leads. A line of defects is considered in the GNR device with different configurations, which affects on the energy spectrum of the system. The calculations are based on the tight-binding model and Green?s function method, in which localization length of the system is investigated, numerically. By controlling disorder concentration, the extended states can be separated from the localized states in the system. Our results may have important applications for building blocks in the nano-electronic devices based on GNRs.

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